cvmx_l2c_address_to_index
uint64_t index = CVMX_ADD_SEG(CVMX_MIPS_SPACE_XKPHYS, cvmx_l2c_address_to_index(addr) << CVMX_L2C_IDX_ADDR_SHIFT);
uint32_t index = cvmx_l2c_address_to_index(address);
uint32_t index = cvmx_l2c_address_to_index(address);
uint32_t cvmx_l2c_address_to_index(uint64_t addr);